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Enzymes from garden compost could favour bioethanol production
Date:3/8/2011

zymes for xylose in this way is because it is not all that easy. Marie Gorwa-Grauslund, who is Nadia Skorupa Parachin's supervisor, was the first person to realise that this genetic technique could work in this specific context. The technique, known as metagenomics, was originally used in environmental studies.

"The most interesting part is really the method itself. We have reasoned along entirely new lines. In fact, it has taken several months to develop the method for use in this area", explains Professor Gorwa-Grauslund.

The Lund researchers will now also take the chance to apply their modified metagenomics technique in other areas, for example, to isolate enzymes that allow microorganisms to cope with difficult industrial conditions, such as high temperatures and high acid levels.

"Robust microorganisms are very important if biological production is to be economically viable", says Marie Gorwa-Grauslund.

Ms Skorupa Parachin has now returned to her home country, Brazil. However, two or three other young researchers will continue to work on the technique. During the spring they will have chance to evaluate the new enzymes better.

"There are still a number of pieces of the jigsaw that must be put in place if ethanol production from xylose is to become financially viable. The process must be speeded up. But we hope that in the long term our method can help to make bioethanol production more efficient", says Marie Gorwa-Grauslund.


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Contact: Professor Marie Gorwa-Grauslund
Marie-Francoise.Gorwa-Grauslund@tmb.lth.se
46-462-220-619
Lund University
Source:Eurekalert

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